Package org.knime.base.data.aggregation

Contains the main classes used for aggregating DataCells.

See:
Description

Interface Summary

AggregationMethod

Interface that implements the main methods of an aggregation method.

Class Summary

AggregationMethods	Singleton that lists all available aggregation methods including helper methods to retrieve meaningful methods.
AggregationOperator	Abstract class which has to be extended by all aggregation method operators that can be registered using the AggregationOperator extension point.
ColumnAggregator	Class that defines the AggregationMethod for a column.
GlobalSettings	Utility class that contains general information such as the column delimiter and the total number of rows.
OperatorColumnSettings	Contains the operator specific settings for a specific column such as if missing values should be considered during aggregation.
OperatorData	This class holds all information of an AggregationOperator such as its name and the supported data types.

Exception Summary

DuplicateOperatorException

Indicates that an operator with the name already exists.

Package org.knime.base.data.aggregation Description

Contains the main classes used for aggregating DataCells. New aggregation methods should implement the abstract AggregationOperator class and register themselves using the AggregationOperator extension point. The general package contains all redefined aggregation methods which are available for all data types whereas the numerical package contains methods that are only applicable for numerical data.